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| author | Jon Santmyer <jon@jonsantmyer.com> | 2026-10-07 17:37:26 -0400 |
|---|---|---|
| committer | Jon Santmyer <jon@jonsantmyer.com> | 2026-10-07 17:37:26 -0400 |
| commit | 434ddcd907832b1febc7d70e4faa52109c7eb3bd (patch) | |
| tree | 00c1ade91f9806d831f10e6006732b294e73f613 /arch/x86_64/hal/paging.c | |
| parent | 8d48bbd9746228b63bafa5f92b621998d7d8f3d3 (diff) | |
| download | jove-kernel-434ddcd907832b1febc7d70e4faa52109c7eb3bd.tar.gz jove-kernel-434ddcd907832b1febc7d70e4faa52109c7eb3bd.tar.bz2 jove-kernel-434ddcd907832b1febc7d70e4faa52109c7eb3bd.zip | |
add memory region object for better memory managment
Diffstat (limited to 'arch/x86_64/hal/paging.c')
| -rw-r--r-- | arch/x86_64/hal/paging.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86_64/hal/paging.c b/arch/x86_64/hal/paging.c index a0d6ca9..1587c62 100644 --- a/arch/x86_64/hal/paging.c +++ b/arch/x86_64/hal/paging.c @@ -28,6 +28,14 @@ phys_tovirt(uintptr_t phys) return (void*)(phys | IDENT_VIRT_BASE); } +physaddr_t +phys_fromvirt(virtaddr_t virt) +{ + if(virt < IDENT_VIRT_BASE) return 0; + if(virt > KERNEL_VIRT_BASE) return KPTR_TOPHYS(virt); + return virt & ~IDENT_VIRT_BASE; +} + uintptr_t paging_get_pml4(void) { |